Developing The Future of Ambient AI
Real-Time Human Intelligence Augmentation
We are developing the future of AI
Diamond Hill Ventures has developed the behavioral intelligence layer for ambient AI — the architecture that governs how AI systems operate in live human environments. Eight provisional patents cover the foundational methods for real-time private AI guidance, ambient engagement detection, longitudinal behavioral modeling, and turn-taking intelligence. These inventions sit directly in the path of every major technology company building toward ambient AI.
The architecture is protected by eight provisional patents covering over 200 claims and more than 60 distinct inventions.
Our Provisional Patent Portfolio
Diamond AI is built on a foundation of original research and proprietary engineering.
Nine provisional patent applications covering 220+ claims and 60+ distinct inventions — including a category method claim covering real-time private AI audio coaching as an entire method class, and foundational architecture patents for ambient engagement detection, longitudinal behavioral modeling, and turn-taking intelligence in live human environments.
HomeAxis is Diamond Hill Ventures' first commercial product — a real estate transaction management platform available on iOS, Android, and web. HomeAxis is live, post-revenue, and early discussions are in process for MLS and Broker distribution. Two enterprise Signature Partner agreements are in active onboarding, covering thousands of agents across the Northeast.
HomeAxis represents Diamond Hill Ventures' proof of execution — a working, revenue-generating product built and brought to market before outside funding.
Visit HomeAxisAgent.com to learn more.
Our Team
Eric Coury, MEd.
Founder & CEO
Eric Coury is the Founder & CEO of Diamond Hill Ventures LLC and inventor of Diamond AI — a real-time private AI platform that delivers live coaching through earbuds during human interactions, creating a new technical category: Real-Time Human Intelligence Augmentation.
A three-time entrepreneur, Eric co-founded an award-winning real estate team before building HomeAxis, a SaaS platform for real estate professionals now in active enterprise use. Diamond AI is his most ambitious venture — a platform he architected from the ground up, drawing on deep expertise in human development, behavioral science, and instructional design. To date he has filed nine provisional patents covering more than 240 claims and 60+ distinct inventions, all pro se.
Eric's career spans an unusually broad range: ranked #1 nationally in client acquisition out of 300+ financial advisors at Ameriprise, award-winning educator, former psychiatric healthcare professional, and two-time all-state competitive swimmer. He holds a B.A. in Sociology from Rhode Island College and a Master of Education in Leadership from Providence College.
His background is not incidental — Diamond AI was architected from behavioral science and human development first, technology second. That foundation is what makes it different from every other AI platform in the space.
Joe Mazzone, MEd.
Product Strategist & Technical Advisor
Joe Mazzone is a product and education leader with over 15 years of experience bridging software development and product strategy.
As Director of Product Development at zyBooks (John Wiley & Sons), he led the strategy and roadmap for interactive courseware used by hundreds of thousands of students, working at the intersection of engineering, content, and learning outcomes.
He serves on the Computer Science for Rhode Island (CS4RI) board, as Technical Chair for SkillsUSA National Computer Programming, and is President of Computer Science Teachers Association of Rhode Island, reflecting his ongoing leadership in advancing computer science.
He currently teaches software engineering at the University of Rhode Island, guiding students through the full software development lifecycle, from requirements and design through testing and deployment. His combination of hands-on technical instruction and product leadership gives him a rare perspective on how teams build, ship, and scale software.
Jose Andrei
Lead HomeAxis Engineer
Jose Andrei is a Lead Designer at HomeAxis, where he has spent the past two years leading design strategy and product development.
Holding a Bachelor of Science in Computer Engineering, he specializes in frontend development and backend systems, leveraging technologies such as Firebase and Supabase to create robust APIs and real-time architectures that enable seamless and efficient user experiences.
As a certified AWS re/Start graduate and UBWS certificate holder, Jose also holds HackerRank certifications in SQL (Advanced) and REST API (Intermediate), reflecting his strong command of data management and service integration.
His ability to bridge design, frontend development, and backend engineering enables him to lead end-to-end solutions with precision, delivering scalable systems that align with both user needs and business objectives.
Diamond Hill Ventures LLC
Building the future of AI